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2.1 Design a relational database schema corresponding to the Customer and Order E-R diagram shown in Figure 4.9 (60 points) COM M Supplier Supplies contact Nam Add city Zap portal Phone Figure 4.9 E-R Diagram for Customer Order Name order No date (total amount Cult Add creditimi deliver to Address Order M zip (street Buys Customer city M Phone deliver to Phone area Code Contains area Code Quantity number unit Cost N M reorder Point Supplier N Supplies Item qtyOnHand supplier No contact Name Item NO Item Name supAdd unit Price supName street city Zip Phone country postalCode state country Code area Code (number